Lockable Strike Housing for Cold Rooms
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Solution Overview
Problem
Walk-in cold room locks made of all metal components are thermally conductive, leading to condensation and potential safety hazards due to freezing, making them inoperable.
Innovation Solution
A lockable strike with a housing made of thermally insulative materials, such as plastic, combined with a metallic bottom plate for strength, and a reciprocally moving deadbolt mechanism that restricts thermal conductivity, ensuring the lock remains functional and safe in cold environments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the lock strike is made of all metal components to endure loads, then the lock strength and durability are improved, but the thermal conductivity increases causing condensation and freezing hazards
Solution Approach 1:
The lock strike housing is constructed as a composite structure combining metal and plastic materials. The metal bottom plate provides structural strength and load-bearing capacity, while the plastic housing portions provide thermal insulation to prevent excessive thermal conductivity. This composite approach allows the lock to withstand mechanical loads while reducing the harmful thermal effects that cause condensation and freezing.
2Reliability
If the lock strike uses metal components for structural integrity, then the durability is improved, but the risk of condensation and safety hazards increases
Solution Approach 1:
Different portions of the lock strike housing are made from different materials based on their specific functional requirements. The bottom mounting plate is made of metal to provide structural integrity and durability for bearing loads. The guide bridge and other housing portions are made of plastic to provide thermal insulation and prevent condensation. This localized material selection allows each component to have the optimal properties for its specific function.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a strong, lockable strike that prevents thermal conductivity, reducing the risk of condensation and freezing, thereby ensuring safe and reliable access control to walk-in cold rooms while maintaining structural integrity.
Implementation Method 1
a housing made of thermally insulative materials, such as plastic, combined with a metallic bottom plate for strength
Data Source
AI summary
A lockable strike for walk-in cold rooms includes a housing that has a mounting plate, a cover and a deadbolt moveably engaged therein to reciprocally move along a path of travel between an extended position and a retracted position with respect to the housing. The mounting plate includes a base and a bridge defining a tongue channel through which the deadbolt travels. The mounting plate base is made of a metal for strength while the cover is made of a plastic for thermally insulative purposes.